Skydrol provides some of the most advanced aviation hydraulic fluids supported by recognized experts in phosphate-ester fluid technology. The Skydrol line of fire resistant hydraulic fluids includes Skydrol 500B-4, Skydrol LD-4, and the newest addition, Skydrol 5.

Skydrol products have extensive industry approvals including all the major manufacturers.

  • Airbus Industrie NSA 307.110
  • Boeing Commercial Airplane Co. BMS 3-11
  • British Aerospace BAC M.333.B
  • Lockheed Aircraft Corp. LAC C34-1224
  • McDonnell Douglas Corp. DMS 2014
  • Society of Automotive Engineers AS 1241
  • Fokker

If you have any specific requirements not listed in this site, please contact our sales team for further information on +44 (0)1293 459 500 or email us on

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